El Pebrian, D. (2014). Workers` workload and productivity in oil palm cultivation in Malaysia. American Society of Agricultural and Biological Engineers.
シカゴスタイル引用形El Pebrian, Darius. Workers` Workload and Productivity in Oil Palm Cultivation in Malaysia. American Society of Agricultural and Biological Engineers, 2014.
MLA引用形式El Pebrian, Darius. Workers` Workload and Productivity in Oil Palm Cultivation in Malaysia. American Society of Agricultural and Biological Engineers, 2014.
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